DVR datasheet(219/416 Pages) MICROCHIP

Part #	DVR

Description	16-Bit General Purpose Microcontrollers with 256-Kbyte Flash and 16-Kbyte RAM in Low Pin Count Packages

PDF	416 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2016-2018 Microchip Technology Inc.

DS30010118D-page 219

PIC24FJ256GA705 FAMILY

FIGURE 17-4:

SPIx MASTER, FRAME MASTER CONNECTION DIAGRAM

PIC24FJ256GA705

Serial Clock

SCKx

Frame Sync

Pulse(1,2)

SDIx

SDOx

Processor 2

SSx

SCKx

(SPIx Master, Frame Master)

Serial Receive Buffer

(SPIxRXB)(3)

Shift Register

(SPIxRXSR)

Shift Register

(SPIxTXSR)

Serial Transmit Buffer

(SPIxTXB)(3)

(SPIxBUF)

SPI Buffer

Serial Receive Buffer

(SPIxTXB)(3)

Shift Register

(SPIxRXSR)

Shift Register

(SPIxTXSR)

Serial Transmit Buffer

(SPIxTXB)(3)

(SPIxBUF)

SPI Buffer

(SPIx Slave, Frame Slave)

SSx(1)

SDOx

SDIx

MSb

LSb

MSb

LSb

MSb

LSb

MSb

LSb

Note 1: In Framed SPI modes, the SSx pin is used to transmit/receive the Frame Synchronization pulse.

2: Framed SPI modes require the use of all four pins (i.e., using the SSx pin is not optional).

3: The SPIxTXB and SPIxRXB registers are memory-mapped to the SPIxBUF register.

DVR Datasheet(PDF) 219 Page - Microchip Technology

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